人之初: At the beginning of life, 性本善: Sex is good. 性相近: Basically, all the sex are same. 習相遠: But it depends on how you do it. 苟不教: If you do not practice all the time, 性乃遷: Sex will leave you. 教之道: The way of learning it, 貴以專: It is very important to make love with only one person.